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Related Experiment Video

Updated: May 17, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
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In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Polymerization efficiency through translucent and opaque fiber posts and bonding to root dentin.

Cássia F Reginato1, Aline S Oliveira, Marina R Kaizer

  • 1School of Dentistry, Federal University of Pelotas, Pelotas-RS, Brazil.

Journal of Prosthodontic Research
|November 3, 2012
PubMed
Summary

Translucent glass fiber posts improve resin cement polymerization and bond strength to root dentin compared to opaque posts. This enhances the longevity of dental restorations.

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Area of Science:

  • Dental Materials Science
  • Biomaterials Engineering
  • Restorative Dentistry

Background:

  • Glass fiber posts are widely used in endodontics.
  • Post material opacity can affect light transmission and resin cement polymerization.
  • Understanding factors influencing bond strength is crucial for restoration success.

Purpose of the Study:

  • To compare polymerization efficiency through translucent and opaque glass fiber posts.
  • To evaluate the bond strength of a self-adhesive resin cement to root dentin with different post types.

Main Methods:

  • Translucent and opaque posts were cemented into bovine incisor roots.
  • Photoactivation was performed through the posts.
  • Push-out bond strength tests and polymerization efficiency assessments were conducted.

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Last Updated: May 17, 2026

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint
07:09

In situ Compressive Loading and Correlative Noninvasive Imaging of the Bone-periodontal Ligament-tooth Fibrous Joint

Published on: March 7, 2014

Main Results:

  • Translucent posts exhibited higher bond strength in all root thirds compared to opaque posts.
  • Polymerization was more complete with translucent posts, while opaque posts showed limited polymerization.
  • Adhesive failures predominated, with mixed failures more common for opaque posts.

Conclusions:

  • Translucent glass fiber posts enhance resin cement polymerization efficiency.
  • The use of translucent posts positively impacts bond strength to intraradicular dentin.
  • Translucent posts may lead to more durable endodontic restorations.